Protecting What
Matters Most
Professional security services across Maryland — armed guards, mobile patrols, investigations, and licensed carry training classes.
500+
Clients Protected
15+
Years Experience
24/7
Always On Duty
100%
Licensed & Insured
Our Core Services
Comprehensive security solutions tailored for Maryland businesses, events, and individuals.
Armed & Unarmed Guards
Professional security personnel for commercial and private premises.
Mobile Patrol Services
Regular patrol rounds to deter threats and ensure safety.
Investigative Services
Corporate investigations, surveillance, and background checks.
Event Security
Crowd management and security for public and private events.
Cyber Security
Network security, vulnerability assessments, and digital threat protection.
Fingerprinting Services
FBI-compliant fingerprinting for employment, licensing, and government clearances.
Why Maryland Trusts Sentinel Sec
We are Maryland's premier security provider with a team of licensed, trained, and dedicated professionals committed to your safety.
Serving All of
Maryland
What Our Clients Say
"Outstanding service. Our premises have never felt safer. Highly recommend!"
Marcus T.
Business Owner
"Professional, punctual, and thorough. They handled our event security flawlessly."
Linda H.
Event Coordinator
"Responsive team and excellent patrol coverage. Peace of mind guaranteed."
Derek W.
Property Manager
Ready to Secure Your Premises?
Get a free security assessment today. Serving businesses and individuals across Maryland.